125020121111244 has 336 divisors, whose sum is σ = 346356054535680. Its totient is φ = 39358629285120.

The previous prime is 125020121111173. The next prime is 125020121111257. The reversal of 125020121111244 is 442111121020521.

It is a happy number.

125020121111244 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 201 + 211 + 1 + 1 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 27279098977 + ... + 27279103559.

It is an arithmetic number, because the mean of its divisors is an integer number (1030821590880).

Almost surely, 2^{125020121111244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125020121111244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173178027267840).

125020121111244 is an abundant number, since it is smaller than the sum of its proper divisors (221335933424436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125020121111244 is a wasteful number, since it uses less digits than its factorization.

125020121111244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 125020121111244 its reverse (442111121020521), we get a palindrome (567131242131765).

The spelling of 125020121111244 in words is "one hundred twenty-five trillion, twenty billion, one hundred twenty-one million, one hundred eleven thousand, two hundred forty-four".